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Mathematics 7 Online
OpenStudy (calculusxy):

Multiply ....

OpenStudy (calculusxy):

\[(\sqrt{2} - 5\sqrt{3})(\sqrt{2} + 5\sqrt{3}) \]

OpenStudy (calculusxy):

@jim_thompson5910

OpenStudy (calculusxy):

The answer key says 73 but i am getting -73

jimthompson5910 (jim_thompson5910):

|dw:1446170780564:dw|

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